Aya, a wife who has been married for two years, is worried about her husband who is immersed in work without caring about the family. Her husband's boss, Ozawa, who is close to her family, proposes a hot spring trip to Aya and her husband, considering their current situation. However, on the day of the trip, Aya's husband is unable to attend due to work...Aya and her husband and wife Ozawa head to the destination together. Aya is overwhelmed with grief and ends up drinking alcohol at the bar attached to her inn. She hugs Ozawa, who took care of her, and Aya seeks her body out of her drunkenness and loneliness. Although she is confused, Ozawa accepts her and becomes addicted to her intimate and unfaithful copulation...